There are approximately 7.9 billion living on this planet called earth. And of course I'll just be talking about 12 people, or more specifically… just two actually.

Miyawaki Sakura, 22, female, and an office worker, living together with her sister, Miyawaki Yujin, with her best friend, Kwon Eunbi and her sister, Kwon Nako. A homebody. The one who panics easily, and the spontaneous one, and the one who's full of surprises. She may look like she's daydreaming, but she's observing everyone… except for herself. You could call the father figure… but she's also a child if she can't help it.

Kwon Eunbi, 25, female, and a preschool teacher, stuck with her sister Kwon Nako, and crashing (not really crashing because they're living there for 2 whole years now, but that is what Eunbi insists) at the Miyawaki's household. The outgoing one. The calm one in serious situations, basically the mom of the house. And probably the caretaker too. Without her, the house will just look like… a mess.

…

Fine, make it four. Here are the other two who basically have the most frustration when it comes to these two idiots. Why? Because they live with them in that exact same house. 

Miyawaki Yujin, Sakura's sister, is playful, cunning, maybe even a bit manipulative if she's into, or wants something, athletic of course, but most certainly perceptive. And is